難関大類題演習 単位円上の2次形式の最大最小【数検1級/準1級/中学数学/高校数学/数学教育】jmo Imo Math Olympiad Problems

2024 14:57
Synopsis
訂正)cosの二倍角公式を間違えています。その後の答えは合っているので、そこだけ訂正を致します。 いつも動画ご視聴 ...
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